1. Check to see if the invoice matches the purchase order.

2. Check to see if you have received a goods receipt note.

Invoiced quantity should get checked against the accepted quantity ie Invoiced qty can be equal or less than the (accepted qty-paidqty till now)

Material value should get calculated again from po and must get tallied with GRN value and The total of Item value must tally with the supplier invoice value

If any difference arises that should get reconcilied by giving valid entry in bills approval screen

For Approving Invoice to payment, at first we have verify the delivery challan and check the all material received correct and price. and all check that invoice is fullfill all terms mentioned in our purchase order copy. and check the payment terms and other basic amount and excise duty and sales tax and totals of this taxes.

if all the correct and ok, then we can approve that as payment

The following are the important steps one should take before approving the payment.

1. Refer the Purchase Order issued.

2. Refer the Goods Received Note (GRN) for having received goods / service as mentioned in the P.O

3. Refer the terms and conditions for making the payment ( any credit period)

4. check the bank balance before approve the invoice for payment.